Noninvasive Medical Devices in Low-Income and Complex Settings: Promise, Challenge, and the Path Ahead.

While noninvasive medical devices for disease diagnosis and management are used routinely in high-income settings, their penetration in low-income countries, and in complex emergency and humanitarian settings remain limited. This article discusses issues of trust, privacy, context, and financial sustainability that need to be addressed for noninvasive devices to live up to their potential and promise in low-income and humanitarian settings.